000 00270nam a22001097a 4500
999 _c15212
_d15212
082 _a621.304IEE
100 _aIEEEE
245 _aElectrical and Electronics Graphic Symbols and Reference Designation
260 _aNew York
_bIEEE Inc.
_c1976
300 _aIRP
942 _cBK